/**
* ib_ud_header_pack - Pack UD header struct into wire format
* @header:UD header struct
* @buf:Buffer to pack into
*
* ib_ud_header_pack() packs the UD header structure @header into wire
* format in the buffer @buf.
*/
int ib_ud_header_pack(struct ib_ud_header *header,
void *buf)
{
int len = 0;
ib_pack(lrh_table, ARRAY_SIZE(lrh_table),
&header->lrh, buf);
len += IB_LRH_BYTES;
if (header->grh_present) {
ib_pack(grh_table, ARRAY_SIZE(grh_table),
&header->grh, buf + len);
len += IB_GRH_BYTES;
}
ib_pack(bth_table, ARRAY_SIZE(bth_table),
&header->bth, buf + len);
len += IB_BTH_BYTES;
ib_pack(deth_table, ARRAY_SIZE(deth_table),
&header->deth, buf + len);
len += IB_DETH_BYTES;
if (header->immediate_present) {
memcpy(buf + len, &header->immediate_data, sizeof header->immediate_data);
len += sizeof header->immediate_data;
}
return len;
}
/**
* ib_ud_header_pack - Pack UD header struct into wire format
* @header:UD header struct
* @buf:Buffer to pack into
*
* ib_ud_header_pack() packs the UD header structure @header into wire
* format in the buffer @buf.
*/
int ib_ud_header_pack(struct ib_ud_header *header,
void *buf)
{
int len = 0;
if (header->lrh_present) {
ib_pack(lrh_table, ARRAY_SIZE(lrh_table),
&header->lrh, buf + len);
len += IB_LRH_BYTES;
}
if (header->eth_present) {
ib_pack(eth_table, ARRAY_SIZE(eth_table),
&header->eth, buf + len);
len += IB_ETH_BYTES;
}
if (header->vlan_present) {
ib_pack(vlan_table, ARRAY_SIZE(vlan_table),
&header->vlan, buf + len);
len += IB_VLAN_BYTES;
}
if (header->grh_present) {
ib_pack(grh_table, ARRAY_SIZE(grh_table),
&header->grh, buf + len);
len += IB_GRH_BYTES;
}
if (header->ipv4_present) {
ib_pack(ip4_table, ARRAY_SIZE(ip4_table),
&header->ip4, buf + len);
len += IB_IP4_BYTES;
}
if (header->udp_present) {
ib_pack(udp_table, ARRAY_SIZE(udp_table),
&header->udp, buf + len);
len += IB_UDP_BYTES;
}
ib_pack(bth_table, ARRAY_SIZE(bth_table),
&header->bth, buf + len);
len += IB_BTH_BYTES;
ib_pack(deth_table, ARRAY_SIZE(deth_table),
&header->deth, buf + len);
len += IB_DETH_BYTES;
if (header->immediate_present) {
memcpy(buf + len, &header->immediate_data, sizeof header->immediate_data);
len += sizeof header->immediate_data;
}
return len;
}
/**
* ib_lrh_header_pack - Pack LRH header struct into wire format
* @lrh:unpacked LRH header struct
* @buf:Buffer to pack into
*
* ib_lrh_header_pack() packs the LRH header structure @lrh into
* wire format in the buffer @buf.
*/
int ib_lrh_header_pack(struct ib_unpacked_lrh *lrh, void *buf)
{
ib_pack(lrh_table, ARRAY_SIZE(lrh_table), lrh, buf);
return 0;
}
